DK140269B - Fasesammenlignende radionavigationsanlæg. - Google Patents
Fasesammenlignende radionavigationsanlæg.Info
- Publication number
- DK140269B DK140269B DK596774AA DK596774A DK140269B DK 140269 B DK140269 B DK 140269B DK 596774A A DK596774A A DK 596774AA DK 596774 A DK596774 A DK 596774A DK 140269 B DK140269 B DK 140269B
- Authority
- DK
- Denmark
- Prior art keywords
- phase
- navigation systems
- radio navigation
- comparative
- comparative radio
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/308—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference particularly adapted to Omega systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5318373A GB1468016A (en) | 1973-11-16 | 1973-11-16 | Phase comparison radio navigation systems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK596774A DK596774A (da) | 1975-07-07 |
| DK140269B true DK140269B (da) | 1979-07-16 |
| DK140269C DK140269C (da) | 1979-12-10 |
Family
ID=10466916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK596774AA DK140269B (da) | 1973-11-16 | 1974-11-15 | Fasesammenlignende radionavigationsanlæg. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3981015A (da) |
| JP (1) | JPS5621106B2 (da) |
| DE (1) | DE2454360C2 (da) |
| DK (1) | DK140269B (da) |
| FR (1) | FR2251825B1 (da) |
| GB (1) | GB1468016A (da) |
| NO (1) | NO142320C (da) |
| SE (1) | SE404432B (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3001014C2 (de) * | 1980-01-12 | 1982-06-24 | Južnoe proizvodstvennoe ob"edinenie po morskim geologorazvedočnym rabotam "Južmorgeologija", Gelendžik, Krasnodarskogo kraja | Elektronischer Digitalanzeigeempfänger für das Decca-Funknavigationssystem |
| JP3401185B2 (ja) * | 1998-05-29 | 2003-04-28 | 三菱電機株式会社 | 無線通信装置及び無線通信方法 |
| IL169854A (en) * | 2005-07-25 | 2013-11-28 | Elta Systems Ltd | System and method for finding receiver-transmitter location |
| IL169855A (en) | 2005-07-25 | 2014-05-28 | Elta Systems Ltd | A system and method for locating a receiver location |
| JP2008083918A (ja) * | 2006-09-27 | 2008-04-10 | Aisin Aw Co Ltd | ナビゲーション装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB955281A (en) * | 1961-06-19 | 1964-04-15 | Decca Ltd | Improvements in or relating to radio navigation systems |
-
1973
- 1973-11-16 GB GB5318373A patent/GB1468016A/en not_active Expired
-
1974
- 1974-11-15 NO NO744109A patent/NO142320C/no unknown
- 1974-11-15 SE SE7414383A patent/SE404432B/xx not_active IP Right Cessation
- 1974-11-15 DK DK596774AA patent/DK140269B/da not_active IP Right Cessation
- 1974-11-15 US US05/524,124 patent/US3981015A/en not_active Expired - Lifetime
- 1974-11-15 JP JP13122274A patent/JPS5621106B2/ja not_active Expired
- 1974-11-15 FR FR7437672A patent/FR2251825B1/fr not_active Expired
- 1974-11-15 DE DE2454360A patent/DE2454360C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK140269C (da) | 1979-12-10 |
| SE404432B (sv) | 1978-10-02 |
| GB1468016A (en) | 1977-03-23 |
| JPS50114191A (da) | 1975-09-06 |
| DE2454360A1 (de) | 1975-05-22 |
| FR2251825B1 (da) | 1982-10-29 |
| DE2454360C2 (de) | 1982-12-09 |
| SE7414383L (da) | 1975-05-20 |
| FR2251825A1 (da) | 1975-06-13 |
| US3981015A (en) | 1976-09-14 |
| JPS5621106B2 (da) | 1981-05-18 |
| DK596774A (da) | 1975-07-07 |
| NO142320C (no) | 1980-07-30 |
| NO142320B (no) | 1980-04-21 |
| NO744109L (da) | 1975-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |